1098990993413 has 16 divisors (see below), whose sum is σ = 1124367318000. Its totient is φ = 1073789982720.

The previous prime is 1098990993383. The next prime is 1098990993421. The reversal of 1098990993413 is 3143990998901.

It can be written as a sum of positive squares in 8 ways, for example, as 8317804804 + 1090673188609 = 91202^2 + 1044353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098990993413 - 2²⁰ = 1098989944837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1098990993413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098990993473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36325973 + ... + 36356213.

It is an arithmetic number, because the mean of its divisors is an integer number (70272957375).

Almost surely, 2^{1098990993413} is an apocalyptic number.

It is an amenable number.

1098990993413 is a deficient number, since it is larger than the sum of its proper divisors (25376324587).

1098990993413 is a wasteful number, since it uses less digits than its factorization.

1098990993413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112.

The product of its (nonzero) digits is 17006112, while the sum is 65.

The spelling of 1098990993413 in words is "one trillion, ninety-eight billion, nine hundred ninety million, nine hundred ninety-three thousand, four hundred thirteen".